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Avoid building caches during block replay (#783)

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Also, make the ExitCache safe.
This commit is contained in:
Michael Sproul
2020-01-09 11:43:11 +11:00
committed by GitHub
parent da95a73605
commit d9e9c17d3b
6 changed files with 69 additions and 27 deletions
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9
eth2/state_processing/src/common/initiate_validator_exit.rs
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@@ -18,19 +18,22 @@ pub fn initiate_validator_exit<T: EthSpec>(
return Ok(());
}
// Ensure the exit cache is built.
state.exit_cache.build(&state.validators, spec)?;
// Compute exit queue epoch
let delayed_epoch = state.compute_activation_exit_epoch(state.current_epoch(), spec);
let mut exit_queue_epoch = state
.exit_cache
.max_epoch()
.max_epoch()?
.map_or(delayed_epoch, |epoch| max(epoch, delayed_epoch));
let exit_queue_churn = state.exit_cache.get_churn_at(exit_queue_epoch);
let exit_queue_churn = state.exit_cache.get_churn_at(exit_queue_epoch)?;
if exit_queue_churn >= state.get_churn_limit(spec)? {
exit_queue_epoch += 1;
}
state.exit_cache.record_validator_exit(exit_queue_epoch);
state.exit_cache.record_validator_exit(exit_queue_epoch)?;
state.validators[index].exit_epoch = exit_queue_epoch;
state.validators[index].withdrawable_epoch =
exit_queue_epoch + spec.min_validator_withdrawability_delay;